163340123 has 2 divisors, whose sum is σ = 163340124. Its totient is φ = 163340122.

The previous prime is 163340119. The next prime is 163340167. The reversal of 163340123 is 321043361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163340123 - 2² = 163340119 is a prime.

It is not a weakly prime, because it can be changed into another prime (163340113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81670061 + 81670062.

It is an arithmetic number, because the mean of its divisors is an integer number (81670062).

Almost surely, 2^163340123 is an apocalyptic number.

163340123 is a deficient number, since it is larger than the sum of its proper divisors (1).

163340123 is an equidigital number, since it uses as much as digits as its factorization.

163340123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 163340123 is about 12780.4586380928. The cubic root of 163340123 is about 546.6352401542.

Adding to 163340123 its reverse (321043361), we get a palindrome (484383484).

The spelling of 163340123 in words is "one hundred sixty-three million, three hundred forty thousand, one hundred twenty-three".